CA2454829A1 - Vitrified superabrasive tool and method of manufacture - Google Patents
Vitrified superabrasive tool and method of manufacture Download PDFInfo
- Publication number
- CA2454829A1 CA2454829A1 CA002454829A CA2454829A CA2454829A1 CA 2454829 A1 CA2454829 A1 CA 2454829A1 CA 002454829 A CA002454829 A CA 002454829A CA 2454829 A CA2454829 A CA 2454829A CA 2454829 A1 CA2454829 A1 CA 2454829A1
- Authority
- CA
- Canada
- Prior art keywords
- percent
- abrasive tool
- vitreous bond
- component
- range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- 238000000034 method Methods 0.000 title claims 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract 20
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims abstract 12
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims abstract 11
- 239000011787 zinc oxide Substances 0.000 claims abstract 10
- 239000000945 filler Substances 0.000 claims abstract 5
- 229910052582 BN Inorganic materials 0.000 claims abstract 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000012080 ambient air Substances 0.000 claims abstract 2
- 229910003460 diamond Inorganic materials 0.000 claims abstract 2
- 239000010432 diamond Substances 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 3
- 238000010304 firing Methods 0.000 claims 2
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims 2
- 229910001950 potassium oxide Inorganic materials 0.000 claims 2
- 238000003825 pressing Methods 0.000 claims 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims 2
- 229910001948 sodium oxide Inorganic materials 0.000 claims 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000007731 hot pressing Methods 0.000 claims 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims 1
- 229910001947 lithium oxide Inorganic materials 0.000 claims 1
- 238000004890 malting Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
An abrasive tool includes a superabrasive grain component, a filler componen t that comprises hollow bodies and a vitreous bond. Natural and synthetic diamond, cubic boron nitride and combinations thereof can be employed as the superabrasive grain component. The vitreous bond component includes zinc oxi de and at least two alkali metal oxides. The vitreous bond component can furthe r include barium oxide. A method for producing an abrasive tool includes combining a superabrasive grain component, a filler component that includes hollow bodies and a vitreous bond component that includes zinc oxide and at least two alkali metal oxides. The combined components are fired at a temperature in a range of between about 600 ~C and about 850 ~C, preferably in an ambient air atmosphere.
Claims (37)
1. An abrasive tool, comprising a) a metallic core; and b) an abrasive rim at a perimeter of the core, wherein the rim includes a superabrasive grain component, a filler component that includes hollow bodies and a vitreous bond component fired at a temperature below 850°C, wherein the vitreous bond includes zinc oxide and at least two alkali metal oxides.
2. The abrasive tool of Claim 1 wherein the metallic core is formed of aluminum.
3. The abrasive tool of Claim 1, wherein the superabrasive grain component is selected from the group consisting of diamond, cubic boron nitride and mixtures thereof.
4. The abrasive tool of Claim 3, wherein the vitreous bond component further includes barium oxide.
5. The abrasive tool of Claim 4, wherein the alkali metal oxides of the vitreous bond component are selected from the group consisting of sodium oxide, potassium oxide and lithium oxide.
6. The abrasive tool of Claim 5, wherein the alkali metal oxides of the vitreous bond component include sodium oxide and potassium oxide.
7. The abrasive tool of Claim 1, wherein the hollow bodies are hollow spheres.
8. The abrasive tool of Claim 7, wherein the hollow spheres are formed of a ceramic material.
9. The method of Claim 1, wherein the hollow bodies are screened to remove broken particles.
10. The method of Claim 9, wherein at least 90 percent by weight of the hollow bodies have a particle size within a range of between about 20µm and about 120µm.
11. The abrasive tool of Claim 1, wherein the superabrasive grain component is present in an amount in a range of between about 5 and about 50 percent by volume.
12. The abrasive tool of Claim 11, wherein the vitreous bond component is present in a range of between about 14 and about 28 percent by volume.
13. The abrasive tool of Claim 12, wherein the hollow bodies are present in an amount of at least about 10 percent by volume.
14. The abrasive tool of Claim 13, wherein the hollow bodies are present in an amount in a range of between about 10 and about 30 percent by volume.
15. The abrasive tool of Claim 14, wherein the tool further comprises open porosity of at least 15 percent, by volume.
16. The abrasive tool of Claim 15, wherein the amount of combined alkali metal oxides is in a range of between about 5 and about 15 percent by weight of the vitreous bond component.
17. The abrasive tool of Claim 16, wherein the amount of combined alkali metal oxides is in a range of between about 8 and about 12 percent, by weight of the vitreous bond component.
18. The abrasive tool of Claim 1, wherein the amount of zinc oxide is in a range between about 1 and about 6 percent by weight of the vitreous bond component.
19. The abrasive tool of Claim 18, wherein the amount of zinc oxide is in a range between about 2 and about 4 percent by weight of the vitreous bond component.
20. The abrasive tool of Claim 19, wherein the vitreous bond component further includes barium oxide, and wherein the combined amount of zinc oxide and barium oxide is at least about 5 percent of the vitreous bond component.
21. A method of malting a bonded abrasive tool, comprising the steps of:
a) selecting a fritted vitreous bond composition that includes zinc oxide and at least two alkali metal oxides;
b) combining a superabrasive grain component, a filler component having hollow bodies and the vitreous bond composition; and c) firing the combined components at a temperature in a range of between about 600°C and about 850°C.
a) selecting a fritted vitreous bond composition that includes zinc oxide and at least two alkali metal oxides;
b) combining a superabrasive grain component, a filler component having hollow bodies and the vitreous bond composition; and c) firing the combined components at a temperature in a range of between about 600°C and about 850°C.
22. The method of Claim 21, where the combined components are fired at maximum temperature for a period of time in a range of between about 2 hours and about 7 hours.
23. The method of Claim 22, wherein the combined components are fired in an ambient air atmosphere.
24. The method of Claim 23, wherein the superabrasive grain component is present in an amount in a range of between about 5 and about 50 percent by volume.
25. The method of Claim 24, wherein the vitreous bond component is present in a range of between about 14 and about 28 percent by volume.
26. The method of Claim 25, wherein the hollow bodies are present in an amount in a range of between about 10 and about 30 percent by volume.
27. The method of Claim 26, wherein the tool further comprises an open porosity of at least 15 percent, by volume.
28. The method of Claim 21, wherein the amount of combined alkali metal oxides is in a range between about 5 and about15 percent by weight of the vitreous bond component.
29. The method of Claim 28, wherein the amount of combined alkali metal oxides is in a range between about 8 and about 12 percent by weight of the vitreous bond component.
30. The method of Claim 28, wherein the amount of zinc oxide is in a range between about 1 and about 6 percent by weight of the vitreous bond component.
31. The method of Claim 30, wherein the amount of zinc oxide is in a range between about 2 and about 4 percent by weight of the vitreous bond component.
32. The method of Claim 31, wherein the vitreous bond component further includes barium oxide, and wherein the combined amount of zinc oxide and barium oxide is at least about 5 weight percent of the vitreous bond component.
33. The method of Claim 21, wherein the hollow bodies are screened to remove broken particles.
34. The method of Claim 21, further comprising the step of hot pressing or cold pressing, wherein at least about 90 percent by weight of the hollow bodies are intact following pressing.
35. The method of Claim 21, wherein the fired components are cemented to a metallic core.
36. A method of making a bonded abrasive tool, comprising the steps of:
a) combining a superabrasive grain component, present in an amount of at least about 5 percent by volume, a filler component having hollow bodies and present in an amount of at least about 10 percent by volume, and a vitreous bond component that includes zinc oxide and at least two alkali metal oxides, the vitreous bond component present in an amount less than about 28 percent by volume;
b) molding the combined components at pressure effective to avoid crushing more than about 10% by weight of the hollow bodies; and c) firing the combined components at a temperature in a range of between about 600°C and about 850°C, for a period of time sufficient to form a bonded abrasive tool having a porosity of at least about 15 percent.
a) combining a superabrasive grain component, present in an amount of at least about 5 percent by volume, a filler component having hollow bodies and present in an amount of at least about 10 percent by volume, and a vitreous bond component that includes zinc oxide and at least two alkali metal oxides, the vitreous bond component present in an amount less than about 28 percent by volume;
b) molding the combined components at pressure effective to avoid crushing more than about 10% by weight of the hollow bodies; and c) firing the combined components at a temperature in a range of between about 600°C and about 850°C, for a period of time sufficient to form a bonded abrasive tool having a porosity of at least about 15 percent.
37. The abrasive tool of Claim 39 wherein the bonded abrasive tool is molded to form a rim and the rim is attached to a core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2683100A CA2683100C (en) | 2001-08-21 | 2002-07-24 | Vitrified superabrasive tool and method of manufacture |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/934,261 | 2001-08-21 | ||
| US09/934,261 US6609963B2 (en) | 2001-08-21 | 2001-08-21 | Vitrified superabrasive tool and method of manufacture |
| PCT/US2002/023536 WO2003018261A2 (en) | 2001-08-21 | 2002-07-24 | Vitrified superabrasive tool and method of manufacture |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2683100A Division CA2683100C (en) | 2001-08-21 | 2002-07-24 | Vitrified superabrasive tool and method of manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2454829A1 true CA2454829A1 (en) | 2003-03-06 |
| CA2454829C CA2454829C (en) | 2010-01-12 |
Family
ID=25465254
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002454829A Expired - Fee Related CA2454829C (en) | 2001-08-21 | 2002-07-24 | Vitrified superabrasive tool and method of manufacture |
| CA2683100A Expired - Fee Related CA2683100C (en) | 2001-08-21 | 2002-07-24 | Vitrified superabrasive tool and method of manufacture |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2683100A Expired - Fee Related CA2683100C (en) | 2001-08-21 | 2002-07-24 | Vitrified superabrasive tool and method of manufacture |
Country Status (20)
| Country | Link |
|---|---|
| US (2) | US6609963B2 (en) |
| JP (3) | JP4119366B2 (en) |
| CN (1) | CN100467180C (en) |
| AT (1) | AT500868B1 (en) |
| AU (1) | AU2002319683A1 (en) |
| BR (1) | BR0211862B1 (en) |
| CA (2) | CA2454829C (en) |
| CH (1) | CH695851A5 (en) |
| DE (1) | DE10297124B4 (en) |
| DK (1) | DK200400373A (en) |
| ES (1) | ES2258395B2 (en) |
| FR (1) | FR2828886B1 (en) |
| GB (1) | GB2395200B (en) |
| HU (1) | HUP0401249A2 (en) |
| IT (1) | ITMI20021838A1 (en) |
| MX (1) | MXPA04001601A (en) |
| NL (1) | NL1021276C2 (en) |
| PL (1) | PL204369B1 (en) |
| SE (1) | SE527836C2 (en) |
| WO (1) | WO2003018261A2 (en) |
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2001
- 2001-08-21 US US09/934,261 patent/US6609963B2/en not_active Expired - Lifetime
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2002
- 2002-07-24 CA CA002454829A patent/CA2454829C/en not_active Expired - Fee Related
- 2002-07-24 WO PCT/US2002/023536 patent/WO2003018261A2/en active IP Right Grant
- 2002-07-24 AT AT0919702A patent/AT500868B1/en not_active IP Right Cessation
- 2002-07-24 DE DE10297124T patent/DE10297124B4/en not_active Expired - Lifetime
- 2002-07-24 GB GB0405109A patent/GB2395200B/en not_active Expired - Fee Related
- 2002-07-24 CH CH00251/04A patent/CH695851A5/en not_active IP Right Cessation
- 2002-07-24 MX MXPA04001601A patent/MXPA04001601A/en active IP Right Grant
- 2002-07-24 HU HU0401249A patent/HUP0401249A2/en unknown
- 2002-07-24 CA CA2683100A patent/CA2683100C/en not_active Expired - Fee Related
- 2002-07-24 CN CNB028163648A patent/CN100467180C/en not_active Expired - Lifetime
- 2002-07-24 PL PL368304A patent/PL204369B1/en unknown
- 2002-07-24 AU AU2002319683A patent/AU2002319683A1/en not_active Abandoned
- 2002-07-24 BR BRPI0211862-9B1A patent/BR0211862B1/en not_active IP Right Cessation
- 2002-07-24 JP JP2003522761A patent/JP4119366B2/en not_active Expired - Fee Related
- 2002-07-24 ES ES200450007A patent/ES2258395B2/en not_active Expired - Fee Related
- 2002-08-14 NL NL1021276A patent/NL1021276C2/en not_active IP Right Cessation
- 2002-08-19 FR FR0210420A patent/FR2828886B1/en not_active Expired - Fee Related
- 2002-08-20 IT IT001838A patent/ITMI20021838A1/en unknown
-
2003
- 2003-06-26 US US10/606,449 patent/US6887287B2/en not_active Expired - Lifetime
-
2004
- 2004-02-16 SE SE0400335A patent/SE527836C2/en not_active IP Right Cessation
- 2004-03-05 DK DK200400373A patent/DK200400373A/en not_active Application Discontinuation
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2006
- 2006-06-28 JP JP2006178612A patent/JP4979997B2/en not_active Expired - Fee Related
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2011
- 2011-01-13 JP JP2011005264A patent/JP5162679B2/en not_active Expired - Fee Related
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| MKLA | Lapsed |
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